US2457593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable connection for electric cables
Assignee: Individual
•
Filing: 1944-11-08
•
Granted: 1948-12-28
•
Expires: 1964-11-08
Abstract
No abstract record available.
Inventors
- 👤 John W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:45
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/22; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32409; Y10T403/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527064A
Cited
US912237A
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GB191121973A
Cited
US1181513A
Cited
US1162906A
Cited
US1273246A
Cited
US1496759A
Cited
US1765868A
Cited
US2077468A
Cited
US2136848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |